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ROV KIEL 6000

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FAT | ROVARK | ATA 1&2 | MSM10-3 | M78-2 | CE0913 | M80-3 | M81-2 | SO210 | ARK XXVI/2 | JC66 | JC67 | CE12010 | SO225 | SO229 | INDEX2013-2 | SONNE Test 7 | SO239 | SO242-2 | SO254 | PS108 | SO268 | SO276 | SO288 | SO295 | SO299 | M194 | PS143-1

Expedition SO225 with RV SONNE: MANIHIKI II

Chief Scientist: Dr. Reinhard Werner, GEOMAR, Kiel

The expedition SO225 with RV SONNE took place between November 2012 and January 2013. It was conducted within the framework of a BMBF funded co-operative project and led to Manihiki Plateau iin the equatorial Pacific between 3-15° South and 170-160° West (vicinity of the Cook islands).

During 4 ROV dives, 32 rock samples could be retrieved along 2 profiles in the North and central area of the Manihiki plateau (North Plateau and Danger Island Troughs). Stratigraphically controlled sampling along a 3 km long profile between 4600 and 3260m water depth along the south-eastern extension of the Northern Plateau was especially successful.

Publications to which ROV KIEL 6000 contributed.
Photos (unless otherwise noted): ROV-Team GEOMAR; for enquiries on utilisation of image material please contact Public Relations Dpt. GEOMAR oder Dr. Friedrich Abegg.

 

ROV KIEL 6000 during launch.
ROV KIEL 6000 underwater, before descending.
Geology and rock sampling: Basaltic "dike" found within lava at the steep eastern slope of the central Danger Island Trough (Manihiki Plateau).
Lava fragments at the base of lava float, covered by fine grained sediment. The orange-brownish areas within the rocks is likely to be altered volcanic glass ("Palagonit").
Typically columnar fragment of basaltic lava, presumably a "dike".
Successful sampling of a lava fragment using the ROV manipulator.
Lava blocks embedded in sediment in front of a lava float with a brittle star.
Storing a manganese-encrusted lava sample into one of the sampling boxes.
Rocksample (presumably encrusted/consolidated sediment) from a debris field. Lava blocks in the background.
Partly sediment-covered lava, possibly covered by feeding traces (black areas).
Small lava fragement.
Fauna: Crinoid (sea lily) on lava block.
Stalked hexactinellid sponge on lava debris within a sediment-covered area.
Feeding traces of an unknown lifeform (presumably polychaet or echiuran) on deep sea sediments).
Brittle star on lava block.
Sea cucumber cf. Psychropotes sp. in front of lava block.
Crinoid on pillow breccia, consisting of fragments of a closeby pillow lava cliff.
"Switchback" fecal cast, probably of an acorn worm (Echiura).

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    Scientific Head 

    Dr. James Taylor
    GEOMAR Helmholtz Centre for Ocean Research Kiel
    Wischhofstr. 1-3
    D-24148 Kiel
    Technology & Logistics Centre
    Tel.: 0049 431 600-2134
    Fax: 0049 431 600-2680
    E-mail: jtaylor(at)geomar.de   


    Technical Head

    Martin Pieper (Dipl. Ing.)
    Technology & Logistics Centre
    Tel.: 0049 431 600-1688
    Fax: 0049 431 600-2680
    E-mail: mpieper(at)geomar.de 

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